EP0795930B1 - Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft - Google Patents

Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft Download PDF

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Publication number
EP0795930B1
EP0795930B1 EP96103785A EP96103785A EP0795930B1 EP 0795930 B1 EP0795930 B1 EP 0795930B1 EP 96103785 A EP96103785 A EP 96103785A EP 96103785 A EP96103785 A EP 96103785A EP 0795930 B1 EP0795930 B1 EP 0795930B1
Authority
EP
European Patent Office
Prior art keywords
pin
terminal
beams
arms
receiving electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96103785A
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English (en)
French (fr)
Other versions
EP0795930A1 (de
Inventor
Helen Dechelette
Jerome Tamsson
Patrick Dechelette
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Molex LLC
Original Assignee
Molex LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Molex LLC filed Critical Molex LLC
Priority to EP96103785A priority Critical patent/EP0795930B1/de
Priority to DE69622369T priority patent/DE69622369T2/de
Priority to US08/801,395 priority patent/US6010377A/en
Priority to CN97103041A priority patent/CN1095217C/zh
Priority to KR1019970007953A priority patent/KR100279193B1/ko
Priority to MYPI97000997A priority patent/MY120692A/en
Priority to TW087213942U priority patent/TW470223U/zh
Publication of EP0795930A1 publication Critical patent/EP0795930A1/de
Application granted granted Critical
Publication of EP0795930B1 publication Critical patent/EP0795930B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • This invention generally relates to the art of electrical connectors and, particularly, to a high contact force electrical terminal for connecting a pin terminal with another circuit means.
  • Electrically mateable connectors including mateable pin and receptacle contact terminals are widely used in a variety of forms throughout the electronics industry for electrically connecting two or more circuit members to each other.
  • Contemporary industry specifications increasingly demand compact, more miniaturized connectors having higher circuit densities. This results in an ever-increasing miniaturization of the electrical contacts or terminals mounted in the connectors.
  • Such miniaturization creates severe problems in providing high contact forces between the mating terminals, such as between mateable pin and receptacle contact terminals.
  • terminals must be protected against deformation during handling, they must remain as smooth as possible when handled by an operator and they must be easily inserted and contact forces with thin metal stock materials. That type of terminal construction has proven to be very effective and very reliable.
  • an electrical receptacle terminal having a longitudinal body for receiving a pin terminal including a bifurcated beam spring forming two spring arms.
  • US-A-4,968,270 describes a spring bulb socket for low wattage.
  • This terminal includes a pair of contact beams angularly aligned toward one another.
  • a terminal for an automotive fuse socket including a generally U-shaped assist structure.
  • terminals must be protected against deformation during handling, they must remain as smooth as possible when handled by an operator and they must be easily inserted and locked within a connector housing.
  • the terminals must maintain a high contact force to avoid plating the terminals with noble metal materials.
  • the locking features of the terminals must not be deformed during handling.
  • the present invention is directed to solving these myriad of problems by providing a high contact force electrical terminal of the type shown in the aforementioned U.S. Patent No. 4,907,999 but with further improvements to protect and rigidify the terminal as well as facilitating locking of the terminal within a connector housing.
  • An object, therefore, of the invention is to provide a high contact force pin-receiving electrical terminal of the character described above.
  • the terminal includes a channel-shaped base joined to a forward pin engaging structure with a generally box-shaped pin-receiving region.
  • the pin engaging structure includes a pair of spaced apart beams extending forwardly of the base to generally define opposed sides of the box-shaped region, with opposed pin contacting surfaces for slidably engaging an inserted pin terminal.
  • a resilient beam support member extends between and mechanically interconnects the forward, free ends of the beams to generally define a third side of the box-shaped region.
  • the invention contemplates the improvement of a shroud extending forwardly of the base about portions of the beams to protect the beams during handling of an inserted pin terminal.
  • the shroud includes a portion defining a fourth side of the box-shaped region.
  • the shroud further includes a four-sided distal end defining a passage through which the pin terminal is insertable into sliding engagement with the opposed pin contacting surfaces of the beams.
  • Latch means are provided on the distal end to facilitate locking the terminal in an appropriate housing.
  • the beam support member comprises a U-shaped spring including spring arms extending from forward ends of the beams to join an interconnecting bight portion.
  • Another feature of the invention includes a supporting web interconnecting the bight portion with the base. Lastly, a reinforcing rib is formed on the base in alignment with the supporting web.
  • an integral, unitary metallic terminal is shown and generally designated 10.
  • the terminal is stamped and formed from sheet metal stock to define an elongated electrical terminal including a front mating end "A" and a rear terminating end "B".
  • the new and improved features of the invention are incorporated in front mating end "A", as described hereinafter.
  • Rear terminating end "B” includes two pair of crimp arms 12 and 14 for terminating an electrical cable 16.
  • the pair of crimp arms 12 are adapted for crimping onto and establishing electrical engagement with a conductor or conductors 18 of the cable, and rear crimp arms 14 are adapted to clamp onto the outer insulation or cladding 20 of the cable and provide strain relief therefore.
  • Front mating end "A” includes a generally channel or box-shaped base portion, generally designated 22, having side apertures 24.
  • the base portion is integrally joined between rear terminating end “B” of the terminal and a forward pin engaging structure, generally designated 26.
  • the base portion includes a flat or horizontal base wall 28 having a longitudinally extending reinforcing rib 30 formed therein, a pair of side walls 32 and a top wall structure 34.
  • Apertures 24 are formed in side walls 22. The apertures are provided for interlocking the terminals within a module and are not relevant to the invention.
  • Forward pin engaging structure 26 defines a generally box-shaped pin receiving region.
  • the pin engaging structure includes a pair of spaced apart contact beams 37 extending forwardly of base portion 22 to generally define opposed sides of the box-shaped pin receiving region.
  • the beams are formed with inwardly bent contact sections 38 (Fig. 1) which define pin contact surfaces 40 (Figs. 6 and 7) for slidably engaging an inserted pin terminal as described hereinafter.
  • a resilient beam support member extends between and mechanically interconnects the forward, free ends 44 of contact beams 37 to base portion 22 and generally defines a third side of the box-shaped pin receiving region.
  • Beam support member 42 includes a U-shaped spring defining a pair of spring arms 46 extending from forward ends 44 of contact beams 37 to join an interconnecting bight portion 48.
  • a supporting web 50 interconnects bight portion 48 with base wall 28 of base portion 22.
  • shroud 52 extending forwardly of base portion 22 about at least portions of contact beams 37 to protect the beams during handling. More particularly, shroud 52 includes a pair of arms 54 extending forwardly from base portion 22 to a four-sided or box-shaped distal end 56. Actually, arms 54 are generally L-shaped in cross-section to protect two exposed sides of contact beams 37 as clearly seen in Figures 6 and 7. Arms 54 define a fourth side of the box-shaped pin receiving region as clearly seen in Figure 2. Distal end 56 of shroud 52 defines a passage 60 through which the pin terminal is insertable into sliding engagement with the opposed pin contacting surfaces 40 of contact beams 37.
  • distal end 56 of shroud 52 is formed with an outwardly projecting dimple or boss 62 (Fig. 1). As will be described hereinafter, boss 62 defines a latch on distal end 56 to facilitate locking the terminal in an appropriate connector housing.
  • Figures 6 and 7 show how contact beams 37 are deflected in response to insertion of a pin terminal therebetween.
  • the spacing between pin contacting surfaces 40 is seen in Figure 6 when the terminal is in its unstressed condition, i.e. without an inserted pin terminal.
  • Figure 7 shows contact surfaces 40 spread apart in the direction of double-headed arrow "C" in response to insertion of a male or pin terminal 66 between the contacting surfaces of contact beams 37.
  • the beams, along with spring arms 46 of resilient beam support member 42 all spread apart and provide a very high contact force onto opposite sides of the terminal.
  • Figures 6 and 7 also clearly show how the L-shaped arms 54 of shroud 52 extend about three sides of the box-shaped pin receiving region to substantially protect contact beams 37.
  • Figures 8-12 show a preferred method for fabricating the new and improved terminal 10 including forward mating end "A" and rear terminating end "B".
  • a blank of sheet metal stock generally designated “S” is stamped to include some of the components of the terminal, including crimp arms 12 and 14 and apertures 24 in base portion 22.
  • Spring arms 46 and bight portion 48 of the U-shaped spring which forms the resilient beam support member 42 also are shown, along with web 50 which joins bight portion 48 with base portion 22.
  • Figures 11 and 12 show the next step in fabricating terminal 10, wherein contact beams 37 are further sheared and formed upwardly out of the plane of the sheet metal stock such that the contact beams are in opposing juxtaposition and pin contacting surfaces 40 face each other in opposing directions.
  • the last step in fabricating terminal 10 is to form arms 54 of shroud 52 upwardly and out of the plane of the sheet metal stock in a manner to embrace contact beams 37. Simultaneously, crimp arms 12 and 14 might be at least partially formed upwardly out of the plane of the sheet metal stock, in preparation for terminating a cable 16. This final step can be understood by comparing Figures 11 and 12 with the final configuration of the terminal shown in Figures 1-7 and described above.
  • Figure 13 shows one of the terminals 10 according to the invention having been inserted into a passage 72 of an electrical connector housing, generally designated 74.
  • the housing includes five passages 72, only one of which is shown as receiving a terminal 10.
  • the terminals, along with their terminated electrical cables 16, are inserted into passages 72 from a rear end 76 of the housing in the direction of arrow "D".
  • a plurality of partitions 78 separate passages 72, and the partitions have projections 80 extending forwardly of the housing.
  • the projections define distal surfaces 80a, which are effective to snap beneath latch bosses 62 of the terminals for locking the terminals in position within their respective passages 72 of the housing.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (14)

  1. Elektrischer Stiftaufnahmekontakt (10) mit hoher Kontaktkraft, welcher eine kanalförmige Basis (22) aufweist, die mit einer nach vorn gerichteten, den Stift in Eingriff nehmenden Struktur (26) mit einem allgemein kastenförmigen Stiftaufnahmebereich verbunden ist, wobei die Stifteingriffsstruktur (26) zwei im Abstand voneinander vorgesehene Auslegerarme (37) aufweist, die sich von der Basis (22) aus nach vorn erstrecken, sodass sie im wesentlichen gegenüberliegende Seiten des kastenförmigen Bereichs mit gegenüberliegenden Stiftkontaktflächen (40) für eine verschiebbare Anlage an einem eingefügten Stiftkontakt (66) bilden, sowie ein nachgiebiges Armhalteelement (42), das sich zwischen den nach vorn gerichteten freien Enden (44) dieser Auslegerarme (37) erstreckt und diese mechanisch verbindet, sodass es im wesentlichen eine dritte Seite des kastenförmigen Bereichs bildet,
       gekennzeichnet durch
       eine Schutzverkleidung (52), die sich von der Basis (22) aus nach vorn, um Teile der Auslegerarme (37) herum erstreckt und dazu ausgebildet ist, die Arme während der Handhabung eines eingefügten Stiftkontakts (66) zu schützen.
  2. Elektrischer Stiftaufnahmekontakt nach Anspruch 1, bei welchem die Schutzverkleidung (52) einen Abschnitt (54) aufweist, der eine vierte Seite des kastenförmigen Bereichs bildet.
  3. Elektrischer Stiftaufnahmekontakt nach Anspruch 1 oder 2, bei welchem die Schutzverkleidung (52) ein vierseitiges entferntes Ende (56) aufweist, welches einen Durchgang (60) bildet, durch welchen der Stiftkontakt (66) in schleifende Anlage an den gegenüberliegenden Stiftkontaktflächen (40) einfügbar ist.
  4. Elektrischer Stiftaufnahmekontakt nach Anspruch 3, welcher ein Verrastungsmittel (62) an dem entfernten Ende (56) aufweist, um das Verriegeln des Kontakts in einem geeigneten Gehäuse (74) zu erleichtern.
  5. Elektrischer Stiftaufnahmekontakt nach einem der Ansprüche 1 bis 4, bei welchem das Armhalteelement (42) eine U-förmige Feder umfasst, mit Federarmen (46), die sich von vorderen Enden (44) der Auslegerarme (37) aus erstrecken und an einem verbindenden buchtförmigen Abschnitt (48) verbunden sind, und mit einem Haltesteg (50), der den buchtförmigen Abschnitt (48) mit der Basis (22) verbindet.
  6. Elektrischer Stiftaufnahmekontakt nach Anspruch 5, welcher eine Verstärkungsrippe (30) an der Basis (22) in Ausrichtung zu dem Haltesteg (50) aufweist.
  7. Elektrischer Stiftaufnahmekontakt nach Anspruch 1, bei welchem die Schutzverkleidung (52) ein fernes Ende (56) aufweist, welches vor den Auslegerarmen (37) angeordnet ist und einen Durchgang (60) bildet, durch welchen der Stiftkontakt (66) in schleifende Anlage an den gegenüberliegenden Stiftkontaktflächen (40) der Auslegerarme (37) einfügbar ist.
  8. Elektrischer Stiftaufnahmekontakt nach einem der Ansprüche 1 bis 3, welcher ein Verrastungsmittel (62) an der Schutzverkleidung (52) aufweist, um das Verriegeln des Kontakts in einem geeigneten Gehäuse (74) zu erleichtern.
  9. Elektrischer Stiftaufnahmekontakt nach einem der Ansprüche 1 bis 8, bei welchem die Schutzverkleidung (52) zwei Arme (54) aufweist, die sich von der Basis (22) aus längsseitig der zwei Auslegerarme (37) erstrecken.
  10. Elektrischer Stiftaufnahmekontakt nach Anspruch 9, bei welchem die Arme (54) im Querschnitt allgemein L-förmig sind, sodass sie die Auslegerarme (37) im Wesentlichen umgeben.
  11. Verfahren zur Herstellung eines Metallkontakts (10), welcher einen Kontaktabschnitt (A) zur Aufnahme eines Stiftes aufweist, mit folgenden Schritten:
    Ausstanzen von Metallblech-Ausgangsmaterial (S), um zumindest einen Kontaktrohling zu definieren, mit: einem Basisabschnitt (22); einem ersten, äußeren Paar im wesentlichen paralleler Arme (54), die sich von dem Basisabschnitt aus nach vorn erstrecken und durch einen Abschnitt (56) am entfernten Ende verbunden sind; einem zweiten, mittleren Paar allgemein paralleler Auslegerarme (37), die sich von dem Basisabschnitt aus zu einem vorderen Ende (44) erstrecken; und einem dritten, inneren Paar von Armen (46), die sich zwischen dem zweiten Paar von Auslegerarmen (37) erstrecken, wobei die inneren Arme (46) durch einen buchtförmigen Abschnitt (48) angrenzend an den Basisabschnitt (22) verbunden sind und das gegenüberliegende Ende jedes der inneren Arme gleichzeitig mit dem vorderen Ende (44) des diesem benachbarten, mittleren Auslegerarms (37) verbunden ist;
    Formen eines Kontaktabschnitts (38) an jedem der mittleren Auslegerarme; und
    Umformen der gegenüberliegenden Seiten des Rohlings, um eine kastenförmige Struktur (26) in solcher Weise auszubilden, dass die Kontaktabschnitte (38) der Auslegerarme (37) so angeordnet sind, dass sie schleifend einen eingefügten Stiftkontakt (66) aufnehmen und elektrisch an diesem in Kontakt kommen, und dass die äußeren Arme (54) in solcher Weise angeordnet sind, dass sie die geformten Auslegerarme (37) schützen.
  12. Verfahren nach Anspruch 11, welches das Ausbilden des fernen Endes (56) des ersten, äußeren Paares von Armen (54) mit einem Durchgang (60), durch welchen der Stiftkontakt (66) in schleifende Anlage an den Kontaktabschnitten (38) der Auslegerarme (37) einfügbar ist, beinhaltet.
  13. Verfahren nach Anspruch 12, welches das Ausbilden des fernen Endes (56) des ersten, äußeren Paares von Armen (54) mit Verrastungsmitteln (62) beinhaltet, um das Verriegeln des Kontakts in einem geeigneten Gehäuse (74) zu erleichtern.
  14. Verfahren nach Anspruch 13, welches das Ausstanzen eines Haltestegs (50) zwischen dem buchtförmigen Abschnitt (48), der das Paar innerer Arme (46) verbindet, und dem Basisabschnitt (22) beinhaltet.
EP96103785A 1996-03-11 1996-03-11 Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft Expired - Lifetime EP0795930B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP96103785A EP0795930B1 (de) 1996-03-11 1996-03-11 Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft
DE69622369T DE69622369T2 (de) 1996-03-11 1996-03-11 Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft
US08/801,395 US6010377A (en) 1996-03-11 1997-02-20 High contact force pin-receiving electrical terminal
KR1019970007953A KR100279193B1 (ko) 1996-03-11 1997-03-10 고접촉력핀수용전기단자
CN97103041A CN1095217C (zh) 1996-03-11 1997-03-10 接受销的高接触力电气端子及其制造方法
MYPI97000997A MY120692A (en) 1996-03-11 1997-03-10 High contact force pin-receiving electrical terminal
TW087213942U TW470223U (en) 1996-03-11 1997-04-30 High contact force pin-receiving electrical terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96103785A EP0795930B1 (de) 1996-03-11 1996-03-11 Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft

Publications (2)

Publication Number Publication Date
EP0795930A1 EP0795930A1 (de) 1997-09-17
EP0795930B1 true EP0795930B1 (de) 2002-07-17

Family

ID=8222547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103785A Expired - Lifetime EP0795930B1 (de) 1996-03-11 1996-03-11 Elektrische Aufnahmebuchse für Stift mit hoher Kontaktkraft

Country Status (7)

Country Link
US (1) US6010377A (de)
EP (1) EP0795930B1 (de)
KR (1) KR100279193B1 (de)
CN (1) CN1095217C (de)
DE (1) DE69622369T2 (de)
MY (1) MY120692A (de)
TW (1) TW470223U (de)

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JP6114672B2 (ja) * 2013-09-27 2017-04-12 ホシデン株式会社 コネクタ
JP6399863B2 (ja) * 2014-09-02 2018-10-03 日本圧着端子製造株式会社 チョークコイル用接続端子及びこれを用いたノイズフィルタ
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JP6405235B2 (ja) * 2014-12-29 2018-10-17 モレックス エルエルシー 雌型電気端子、及びコネクタ
DE112018000476B4 (de) 2017-01-23 2023-06-15 Molex, Llc Elektrischer Anschlusskontakt und Verbinderanordnung damit
CN111262066B (zh) * 2017-06-23 2021-10-01 上海莫仕连接器有限公司 电源连接器
KR102011845B1 (ko) * 2017-07-12 2019-08-19 몰렉스 엘엘씨 포크인 커넥터

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Also Published As

Publication number Publication date
DE69622369D1 (de) 2002-08-22
CN1095217C (zh) 2002-11-27
DE69622369T2 (de) 2003-03-27
CN1162853A (zh) 1997-10-22
TW470223U (en) 2001-12-21
EP0795930A1 (de) 1997-09-17
US6010377A (en) 2000-01-04
MY120692A (en) 2005-11-30
KR970068024A (ko) 1997-10-13
KR100279193B1 (ko) 2001-01-15

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